export function read_storage(_key) {
	let _data
	try {
		_data = uni.getStorageSync(_key)
	} catch (e) {
		_data = null
	}
	return _data
}

export function write_storage(_key, _data) {
	try {
		uni.setStorageSync(_key, _data)
	} catch (e) {
		console.log("[error]:function save_storage:", e)
	}
}